Development of αFe2O3-TiO2/PPOdm Mixed Matrix Membrane for CO2/CH4 Separation Yun Kee Yap, Pei Ching Oh and Evan Yew Jin Chin E3S Web Conf., 287 (2021) 02013 Published online: 06 July 2021 DOI: 10.1051/e3sconf/202128702013